4.7x0.5x2.6怎样简便计算?
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解:4.7X0.5X2.6=4.7X1.3=(5-0.3)X(1+0.3)=5X1+5X0.3-0.1X1-0.3X0.3=5+1.5-0.3-0.09=6.11
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4.7*0.5*2.6
=4.7*(0.5*2.6)
=4.7*1.3
=4.7*(1+0.3)
=4.7*1+4.7*0.3
=4.7+1.41
=6.11
=4.7*(0.5*2.6)
=4.7*1.3
=4.7*(1+0.3)
=4.7*1+4.7*0.3
=4.7+1.41
=6.11
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4.7×0.5×2.6
=0.5×2.6×4.7
=1.3×4.7
=1.3×(5-0.3)
=1.3×5-1.3×0.3
=6.5-0.39
=6.11
=0.5×2.6×4.7
=1.3×4.7
=1.3×(5-0.3)
=1.3×5-1.3×0.3
=6.5-0.39
=6.11
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4.7×0.5×2.6
=4.7×1.3
=4.7×(1+0.3)
=4.7+4.7×0.3
=4.7+1.41
=6.11
=4.7×1.3
=4.7×(1+0.3)
=4.7+4.7×0.3
=4.7+1.41
=6.11
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